Finding the Fourth Proportional to 93,752.40, 129,362.76 and 53,469.09
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Solution
The fourth proportional to 93,752.40, 129,362.76 and 53,469.09 is: 73,778.47
Step by Step Solution
- Step 1: Write the proportion equation
93,752.40 : 129,362.76 = 53,469.09 : x - Step 2: Convert to fraction form
93,752.40/129,362.76 = 53,469.09/x - Step 3: Cross multiply
93,752.40x = 129,362.76 × 53,469.09 - Step 4: Simplify right side
93,752.40x = 6,916,909,057.09 - Step 5: Solve for x
x = 6,916,909,057.09/93,752.40 - Step 6: Final answer
x = 73,778.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.